7.—(1) The Board may, by a notice served on the person assessed to the levy in the same manner as an assessment notice, withdraw an assessment if that person has appealed against that assessment under the provisions of Article 8 of this Order and the appeal has not been entered in the Register of Appeals kept under the appropriate Regulations specified in paragraph (5) of that Article, and such withdrawal may be extended by the Board to any other assessment appearing in the assessment notice.
(2) The withdrawal of an assessment shall be without prejudice:—
(a)to the power of the Board to serve a further assessment notice and, where the withdrawal is made by reason of the fact that a person has ceased to be an employer in the hotel and catering industry in the twentieth levy period, the said notice may provide that the whole amount payable thereunder shall be due one month after the date of the notice; or
(b)to any other assessment included in the original assessment notice and not withdrawn by the Board, and such notice shall thereupon have effect as if any assessment withdrawn by the Board had not been included therein.